CVE-2017-11509

Exp

An authenticated remote attacker can execute arbitrary code in Firebird SQL Server versions 2.5.7 and 3.0.2 by executing a malformed SQL statement.

Published: 2018-03-28 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-11509 is rated High Exploit Risk (85.2/100): CVSS High severity, with high exploitation likelihood (EPSS 10.88%, 93th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.42% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2017-11509

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2017-11509

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-05 8.47% 10.88% +2.42%
2 2025-11-13 11.07% 8.47% -2.61%
3 2025-10-12 — 11.07% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-11509

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
9.0 2.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.0 10.0 [email protected]

Weakness enumeration for CVE-2017-11509

OS Trackers for CVE-2017-11509

vendor priority summary link
debian not yet assigned CVE-2017-11509 not yet assigned priority: Debian including 1 source packages (firebird3.0), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-11509
redhat high — https://access.redhat.com/security/cve/CVE-2017-11509
suse high CVE-2017-11509 severity important: SUSE including 12 source package names (firebird, firebird-3.0.4.33054-150200.3.6.1, …), 30 product×package rows across 6 product lines (SUSE Linux Enterprise Module for Package Hub 15 SP6, SUSE Linux Enterprise Module for Package Hub 15 SP7, … (6 product lines)): Fixed 27, Known Not Affected 3. https://www.suse.com/security/cve/CVE-2017-11509/
ubuntu medium CVE-2017-11509 medium priority: Ubuntu including 2 source packages (firebird2.5, firebird3.0), 12 status rows across 6 suites (artful, bionic, cosmic, trusty, upstream, xenial): DNE 5, ignored 5, needed 2. https://ubuntu.com/security/CVE-2017-11509

Affected software / configurations for CVE-2017-11509

Vendor Product Version Raw CPE
firebirdsql firebird 2.5.7 cpe:2.3:a:firebirdsql:firebird:2.5.7:*:*:*:*:*:*:*
firebirdsql firebird 3.0.2 cpe:2.3:a:firebirdsql:firebird:3.0.2:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

References for CVE-2017-11509

cvelogic Threat Intelligence